Smoke and carbon monoxide sensor



FIG. 1 is a front perspective view of the smoke and carbon monoxidesensor according to a first embodiment of the present design;

FIG. 2 is a front elevational view of the smoke and carbon monoxidesensor of FIG. 1;

FIG. 3 is a rear elevational view of the smoke and carbon monoxidesensor of FIG. 1;

FIG. 4 is a left-side elevational view of the smoke and carbon monoxidesensor of FIG. 1;

FIG. 5 is a right-side elevational view of the smoke and carbon monoxidesensor of FIG. 1;

FIG. 6 is a top plan view of the smoke and carbon monoxide sensor ofFIG. 1;

FIG. 7 is a bottom plan view of the smoke and carbon monoxide sensor ofFIG. 1;

FIG. 8 is a front perspective view of the smoke and carbon monoxidesensor according to a second embodiment the present design;

FIG. 9 is a front elevational view of the smoke and carbon monoxidesensor of FIG. 8;

FIG. 10 is a rear elevational view of the smoke and carbon monoxidesensor of FIG. 8;

FIG. 11 is a left-side elevational view of the smoke and carbon monoxidesensor of FIG. 8;

FIG. 12 is a right-side elevational view of the smoke and carbonmonoxide sensor of FIG. 8;

FIG. 13 is a top plan view of the smoke and carbon monoxide sensor ofFIG. 8;

FIG. 14 is a bottom plan view of the smoke and carbon monoxide sensor ofFIG. 8;

FIG. 15 is a front perspective view of the smoke and carbon monoxidesensor according to a third embodiment the present design;

FIG. 16 is a front elevational view of the smoke and carbon monoxidesensor of FIG. 15;

FIG. 17 is a rear elevational view of the smoke and carbon monoxidesensor of FIG. 15;

FIG. 18 is a left-side elevational view of the smoke and carbon monoxidesensor of FIG. 15;

FIG. 19 is a right-side elevational view of the smoke and carbonmonoxide sensor of FIG. 15;

FIG. 20 is a top plan view of the smoke and carbon monoxide sensor ofFIG. 15; and,

FIG. 21 is a bottom plan view of the smoke and carbon monoxide sensor ofFIG. 15.

In the drawings, the broken lines depict environmental subject matteronly and form no part of the claimed design.

CLAIM The ornamental design for a smoke and carbon monoxide sensor, asshown and described.